@misc{indiciaefd684b5dd9b3,
  title = {Multiple-lead QRS changes with exercise testing. Diagnostic value and hemodynamic implications.},
  author = {J L Berman and J Wynne and P F Cohn},
  year = {1980},
  doi = {10.1161/01.cir.61.1.53},
  url = {https://pubmed.ncbi.nlm.nih.gov/7349942/},
  note = {Source identifier: 7349942}
}